Process for delignification of cellulosic substances by pretreating with a complexing agent followed by peroxide prior to kraft digestion

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Title: Process for delignification of cellulosic substances by pretreating with a complexing agent followed by peroxide prior to kraft digestion
Date: 1989
Citation: Gratzl, J. S. (1989). Process for delignification of cellulosic substances by pretreating with a complexing agent followed by peroxide prior to kraft digestion. U.S. Patent No. 4,826,568. Washington, DC: U.S. Patent and Trademark Office.
URI: http://www.lib.ncsu.edu/resolver/1840.2/1570


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